Finding the Fourth Proportional to 319,224.06, 477,653.31 and 255,851.98
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Solution
The fourth proportional to 319,224.06, 477,653.31 and 255,851.98 is: 382,829.99
Step by Step Solution
- Step 1: Write the proportion equation
319,224.06 : 477,653.31 = 255,851.98 : x - Step 2: Convert to fraction form
319,224.06/477,653.31 = 255,851.98/x - Step 3: Cross multiply
319,224.06x = 477,653.31 × 255,851.98 - Step 4: Simplify right side
319,224.06x = 122,208,543,922.92 - Step 5: Solve for x
x = 122,208,543,922.92/319,224.06 - Step 6: Final answer
x = 382,829.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.